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Finding the Fourth Proportional to 303,969.60, 456,118.56 and 126,599.04

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Solution

The fourth proportional to 303,969.60, 456,118.56 and 126,599.04 is: 189,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,969.60 : 456,118.56 = 126,599.04 : x
  2. Step 2: Convert to fraction form
    303,969.60/456,118.56 = 126,599.04/x
  3. Step 3: Cross multiply
    303,969.60x = 456,118.56 × 126,599.04
  4. Step 4: Simplify right side
    303,969.60x = 57,744,171,822.18
  5. Step 5: Solve for x
    x = 57,744,171,822.18/303,969.60
  6. Step 6: Final answer
    x = 189,966.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.